... ASTM A351-CF8, CF8M, CF3, CF3M Applicable Medium: Water, Oil, Gas, Acid, API Medium Pressure stainless steel gate valveQuoting StandardsBB OS & Y structureFlanged ... ASTM A216 WCB.ASTM A351-CF8, CF8M, CF3, CF3MWorking Pressure:150LB-1500LBApplicable Medium: Water, Oil, Gas, Acid, etcWorking Temperature:<300°Manufacture ... 25Valve Tested to API 6D or API 598 API Medium Pressure stainless steel gate valve